IESET.
Hypotheses·welfare architecture·welfare_pension_chile_1981_privatisation_descriptive

Chile's 1981 pension privatisation (replacing PAYG with mandatory individual AFP accounts under Decreto Ley 3500) delivered domestic-savings-rate persistence near 20% of GDP through 1985-2010 and capital-deepening above LatAm peers, but produced median replacement rates below 40% by 2010-2020 due to coverage gaps among informal workers, motivating the 2008 solidarity-pillar addition (Pilar Solidario) and the ongoing 2019-2024 reform debate.

The descriptive claim documents both the forced-saving mechanism's success on macro-savings and its insufficient delivery on individual adequacy.

REFUTEDengine/runs/welfare_pension_chile_1981_privatisation_descriptive

REFUTED — shape=panel_summary, sign + OPPOSITE claim -; |Δ_log|=0.231, ratio=1.26; threshold 20.0%, observed 23.1%

confidence cueThis test cuts against the claim as written or misses its pre-declared threshold.

policy briefNeeds review

In ordinary language

In plain terms, this asks whether the policy story survives a real-world data check from 1970 to 2022.

plain answer

The data did not support the prediction. shape=panel_summary, sign + OPPOSITE claim -; |Δ_log|=0.231, ratio=1.26; threshold 20.0%, observed 23.1%

why it matters

This matters because welfare architecture claims should change belief only when they survive a pre-declared empirical test.

how the test works

It compares 7 country or place units from 1970 to 2022, using a descriptive design, with fixed effects for country and year.

what was measured
What we checked
  • Gross savings share income
  • Pension replacement rate median
  • Elderly poverty rate
what this does not prove

A single test is not the whole truth. It narrows the claim under a specific sample, time period, and method. Strong policy conclusions need the pattern to survive nearby tests, alternative data, and serious objections.

verification

0 input datasets, 0 unresolved missing series, provenance status: no input vintages recorded.

Results

engine/runs/welfare_pension_chile_1981_privatisation_descriptive
1007550250197019962022CHLARGMEXPERBRACOLURY
illustrative sketch · run pending
No coefficients yet. When the model fires, this chart will show gross_savings_share_gdp across 7 sampled countries over 1970–2022.
The shapes above are stylised — none of the lines are real data.
Placeholder for welfare_pension_chile_1981_privatisation_descriptive. Published chart will be generated from engine/runs/welfare_pension_chile_1981_privatisation_descriptive/chart_data.json.

Pre-registration

registration ordering unverified
first-spec commit 098ce96 · 2026-04-30T12:57:33Z
run generated · 2026-04-30T08:07:40Z
Run timestamp predates this path's first git-add commit (rebase, rename, or pre-git local run). Spec hash is still the path's first-add commit — not repository HEAD — but ordering is not a clean pre-registration proof.

Chile's 1981 pension privatisation (replacing PAYG with mandatory individual AFP accounts under Decreto Ley 3500) delivered domestic-savings-rate persistence near 20% of GDP through 1985-2010 and capital-deepening above LatAm peers, but produced median replacement rates below 40% by 2010-2020 due to coverage gaps among informal workers, motivating the 2008 solidarity-pillar addition (Pilar Solidario) and the ongoing 2019-2024 reform debate. The descriptive claim documents both the forced-saving mechanism's success on macro-savings and its insufficient delivery on individual adequacy.

Falsification criterion — what would disprove this

set before the run · honoured after

This hypothesis is considered falsified if:

Refuted on the savings arm if CHL gross savings 1985-2010 average is below 18% of GDP. Refuted on the adequacy arm if median replacement rate 2010-2020 average exceeds 50%. The dual-outcome descriptive claim requires both observed gaps.

formal test & threshold
test:      descriptive_dual_outcome_threshold_check
threshold: chl_savings_85_10_avg >= 18pct AND chl_replacement_rate_10_20_avg <= 50pct

Method

Template
descriptive
Fixed effects
country, year
Clustering
country
Sample
7 countries · 1970 – 2022
Evidence type
descriptive

Descriptive panel comparing CHL macro-savings and pension-adequacy trajectories with LatAm peers 1970-2022. Structural break test at 1981 for savings; replacement-rate level comparison post-2000 when OECD harmonised data are available. No causal counterfactual is constructed.

Data

VariableSourceTransform
gross_savings_share_gdp
outcome
world_bank_wdi:NY.GNS.ICTR.ZStier 2
level
pension_replacement_rate_median
outcome
oecd:DSD_PENSIONStier 2
level_pct
elderly_poverty_rate
outcome
oecd:DSD_IDDtier 2
level_pct
gdp_per_capita_real
control
world_bank_wdi:NY.GDP.PCAP.KDtier 2
log
dependency_ratio
control
world_bank_wdi:SP.POP.DPND.OLtier 2
level
informal_employment_share
control
world_bank_wdi:SL.UEM.TOTL.ZStier 2
level

● ready  · ● pending  · ● reconstruct-needed

Strongest opposing argument

Every hypothesis ships with its charitable opposing argument. The framework earns credibility by handling objections at their strongest, not weakest.

Authored framework. Read the transparency note.